题解 | #输出单向链表中倒数第k个结点#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    // Write your code here
    while(line = await readline(), str = await readline(), pos = await readline()){
        const arr = str.split(' ')
        console.log(arr.at(-pos))
    }
}()